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Pacific Southwest Region Rare Plant Profiles
This list includes species proposed or listed as threatened or endangered (TEP) by the U.S. Fish & Wildlife Service (USFWS), under the Endangered Species Act (ESA); and/or a plant must be ranked as Critically Imperiled by NatureServe; that is, ranked as G1 and/or T1 using NatureServe's ranking criteria; and, are known to currently exist in at least one location on national forests or national grasslands. About the Rare Plant Profiles »
States
Threatened, Endangered, and Proposed (TEP) Plant Profiles
- Acanthomintha ilicifolia, San Diego thornmint
- Acanthoscyphus parishii var. goodmaniana, Cushenbury oxytheca (also known as, Oxytheca parishii var. goodmaniana)
- Allium munzii, Munz's onion
- Arabis macdonaldiana, McDonald's rock-cress
- Arenaria ursina, Bear Valley sandwort
- Astragalus albens, Cushenbury milk-vetch
- Astragalus brauntonii, Braunton’s milk-vetch
- Baccharis vanessae, Encinitas baccharis
- Berberis nevinii, Nevin's barberry (also known as, Mahonia nevinii)
- Brodiaea filifolia, thread-leaved brodiaea
- Castilleja cinerea, ash-grey paintbrush
- Ceanothus ophiochilus, Vail Lake ceanothus
- Chlorogalum purpureum var. reductum, Amole de Cañón Camatta
- Cirsium fontinale var. obispoense, Chorro Creek bog thistle
- Cirsium loncholepis, La Graciosa thistle
- Cistanthe pulchella, Mariposa pussypaws (also known as, Calyptridium pulchellum)
- Clarkia springvillensis, Springville clarkia
- Dodecahema leptoceras, slender-horned spineflower
- Dudleya cymosa ssp. ovatifolia, Santa Monica Mountains dudleya
- Erigeron parishii, Parish's daisy
- Eriogonum kennedyi var. austromontanum, southern mountain wild-buckwheat
- Eriogonum ovalifolium var. vineum, Cushenbury buckwheat
- Howellia aquatilis, water howellia
- Opuntia basilaris var. treleasei, Bakersfield cactus (also known as, Opuntia treleasei)
- Orcuttia tenuis, Slender Orcutt grass
- Packera layneae, Layne’s butterweed (also known as, Senecio layneae)
- Phlox hirsuta, Yreka phlox
- Physaria kingii ssp. bernardina, San Bernardino Mountains bladderpod (also known as, Lesquerella kingii ssp. bernardina)
- Poa atropurpurea, San Bernardino bluegrass
- Sidalcea pedata, pedate checker-mallow
- Taraxacum californicum, California taraxacum
- Thelypodium stenopetalum, slender-petaled mustard
Critically Imperiled Plant Profiles
- Abronia alpina, Ramshaw Meadows sand-verbena
- Allium jepsonii, Jepson‘s onion
- Allium marvinii, Yucaipa onion
- Arctostaphylos gabrielensis, San Gabriel manzanita
- Astragalus anxius, Ash Valley milk-vetch
- Astragalus ertterae, Walker Pass milkvetch
- Astragalus lentiginosus var. antonius, San Antonio milkvetch
- Astragalus lentiginosus var. sierrae, Big Bear milkvetch
- Astragalus pachypus var. jaegeri, Jaeger's milkvetch
- Astragalus webberi, Webber's milkvetch
- Boechera peirsonii, San Bernardino rockcress (also known as, Arabis breweri var. pecunaria)
- Brodiaea coronaria ssp. rosea, Indian Valley brodiaea
- Calochortus clavatus var. gracilis, slender mariposa lily
- Calochortus palmeri var. munzii, Munz’s mariposa lily
- Carex tiogana, Tioga Pass sedge
- Caulanthus amplexicaulis var. barbarae, Santa Barbara jewelflower
- Caulostramina jaegeri, Jaeger's caulostramina
- Chorizanthe rectispina, straight-awned spineflower
- Clarkia lingulata, Merced clarkia
- Cryptantha crinita, silky cryptantha
- Cryptantha incana, Tulare cryptantha
- Cryptantha roosiorum, bristlecone cat’s eye
- Dieteria canescens var. ziegleri, Dieter’s aster (also known as, Machaeranthera canescens var. ziegleri)
- Draba asterophora var. macrocarpa, Cup Lake draba
- Draba monoensis, White Mountains draba
- Draba sharsmithii, Mt. Whitney draba
- Dudleya densiflora, San Gabriel Mountains Dudleya
- Eleocharis torticulmis, twisted spikerush
- Ericameria gilmanii, whiteflower goldenbush
- Erigeron maniopotamicus, Mad River fleabane daisy
- Eriogonum butterworthianum, Butterworth’s buckwheat
- Eriogonum microthecum var. johnstonii, Johnston's buckwheat
- Eriogonum spectabile, Barron’s buckwheat
- Eriogonum wrightii var. olanchense, Olancha Peak buckwheat
- Eriophyllum lanatum var. hallii, Fort Tejon woolly sunflower
- Erythronium pluriflorum, Shuteye Peak fawnlily
- Erythronium taylorii, Taylor’s fawn lily
- Fritillaria ojaiensis, Ojai fritillary
- Galium angustifolium ssp. jacintum, San Jacinto bedstraw
- Galium californicum ssp. primum, California bedstraw
- Hesperolinon tehamense, Paskenta Grade dwarf flax
- Heterotheca monarchensis, Sequoia false goldenaster
- Heterotheca shevockii, Kern Canyon goldenaster
- Horkelia bolanderi, Bolander’s horkelia
- Horkelia hendersonii, Henderson’s horkelia
- Horkelia tularensis, Kern Plateau horkelia
- Horkelia wilderae, Barton Flats horkelia
- Ivesia callida, Tahquitz mousetail
- Ivesia longibracteata, Castle Crags ivesia
- Leptosiphon floribundum ssp. hallii, Santa Rosa Mountains leptosiphon (also known as, Leptosiphon floribundus ssp. hallii, Linanthus floribundus ssp. hallii)
- Leptosiphon serrulatus, Madera linanthus
- Lewisia congdonii, Congdon’s bitterroot
- Lewisia stebbinsii, Stebbins’ lewisia
- Lupinus antoninus, Anthony Peak lupine
- Lupinus aridus ssp. ashlandensis, Mt. Ashland lupine (also known as: Lupinus lepidus var. ashlandensis)
- Lupinus constancei, The Lassics lupine
- Lupinus culbertsonii ssp. culbertsonii, Hockett Meadows lupine (also known as, Lupinus lepidus var. culbertsonii)
- Lupinus elmeri, Elmer’s lupine
- Lupinus padre-crowleyi, Father Crowley’s lupine
- Malacothamnus davidsonii, Davidson’s bush mallow
- Marina orcuttii var. orcuttii, Sonoran false prairie-clover
- Minuartia decumbens, The Lassics sandwort
- Minuartia stolonifera, Scott Mountain sandwort
- Monardella beneolens, Sweet-smelling monardella
- Monardella follettii, Follett’s monardella
- Monardella stebbinsii, Stebbins’ monardella
- Nemacladus twisselmannii, Twisselman’s nemacladus
- Oxytheca parishii var. cienegensis, Cienega Seca oxytheca (also known as, Acanthoscyphus parishii var. cienegensis)
- Penstemon tracyi, Tracy’s beardtongue
- Pentachaeta exilis ssp. aeolica, San Benito pentachaeta
- Petrophyton acuminatum, Big Arroyo rockmat (also known as, Petrophytum acuminatum, Petrophyton caespitosum ssp. acuminatum)
- Phacelia cookei, Cooke’s phacelia
- Phacelia suaveolens ssp. keckii, Keck's phacelia
- Polemonium chartaceum, Mason’s skypilot
- Potentilla glandulosa ssp. ewanii, Ewan’s cinquefoil
- Potentilla morefieldii, Morefield’s cinquefoil
- Ribes canthariforme, Moreno currant
- Rorippa subumbellata, Tahoe yellow cress
- Sedum obtusatum ssp. paradisum, Canyon Creek stonecrop
- Sidalcea hickmanii ssp. anomala, Cuesta Pass checkerbloom
- Sidalcea hickmanii ssp. parishii, Parish's checkerbloom
- Streptanthus cordatus var. piutensis, heartleaf twistflower
- Tauschia howellii, Howell’s umbrellawort
- Thermopsis macrophylla, Santa Inez goldenbanner
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